ktvu. >>> new snow is expected to fall this weekend. many ski resorts are reporting that most of their runs will be open by tomorrow. they expect the season is on track for more snow than the big winter we had just two years ago. >>> search and rescue teams aresenning out a warning for people who will head up to the sierra-nevada. >> it happened at tahoe yesterday afternoon. she went out of bound and got lost. when she didn't realize where she was. she called 911 from her cellphone. they were able to find her and checked out by medics and released. >>> it is going to be a white christmas in the sierra. but getting there may be a challenge. big challenge. we will take you up there and you can see, there is a roadway underneath the cars. you can see they're making their way up in the sierra. if you are planning to head up interstate 80 or highway 50. chains are required. also, be prepared for possible road closures. >> this is what it looked like yesterday after it was forced to shut down because of several storm-related spinouts. they ha